Function readLines

scripts/docs_sync/util.ts:31–59

(file: string)

const hackMdCache = new Map<string, Promise<string[]>>();

export async function readLines(file: string): Promise<string[]> {
  file = file.replace('https:/', 'https://').replace('https:///', 'https://');
  let promise = hackMdCache.get(file);
  if (promise) return promise;

  const index = file.indexOf('https://hackmd.io/');
  if (index === -1) {
    promise = new Promise((res, rej) =>
      readFile(file, (err, data) => (err ? rej(err) : res(String(data).split('\n'))))
    );
  } else {
    const url = file.substring(index) + '/download';
    console.log('FETCHING:', url);
    promise = new Promise<string[]>((resolve, rej) => {
      get(url, (res) => {
        res.setEncoding('utf8');
        let body = '';
        res.on('data', (data) => {
          body += String(data);
        });
        res.on('end', () => {
          resolve(body.split('\n'));
        });
      });
    });
  }
  hackMdCache.set(file, promise);
  return promise;
}

export async function writeFileLines(file: string, lines: string[]) {
  return new Promise((res, rej) =>